nextcloud-mysql depends on php7-mysql
nextcloud-mysql 11.0.3-r0 depends on php7-mysql which does not exist:
ERROR: unsatisfiable constraints:
php7-mysql (missing):
required by:
nextcloud-mysql-11.0.3-r0[php7-mysql]
php7-pear-mdb2-driver-mysql (missing):
required by:
nextcloud-mysql-11.0.3-r0[php7-pear-mdb2-driver-mysql]
(from redmine: issue id 7254, created on 2017-04-27, closed on 2017-05-22)